RT-AC87U
Dual-band Wireless-AC2400 Gigabit Router

The ASUS RT-AC87U router has Gigabit WiFi, 4 Gigabit ETH-ports and 0 USB-ports. It has a total combined WiFi throughput of 2400 Mpbs.It is also known as the ASUS Dual-band Wireless-AC2400 Gigabit Router.

Hard reset instructions
for ASUS RT-AC87U

If your RT-AC87U router is not working as it should, dropping connections or not
being
responsive, you should first do a reset of the router to see if the problems persist. Other
scenarios where you might want to reset your router is if you've forgotten the password or
misconfigured it and can't get access anymore.
Your can reset your ASUS RT-AC87U in the following way(s):

Through the web-interface

Sign in to the web-interface with the username and password you have selected, or try the defaulr username and password (check default settings below)

Under the advanced settings menu, select administration

Find the link "Restore/Save/Upload Setting"

Beside Factory default click on Restore

If prompted, click ok

With the reset button on the router

Locate the reset button on the backside of your unit

with a sharp object, e.g. a paperclip or pencil, press and hold the reset button for 5s or until the power led starts flashing

The 30-30-30 reset

If the above instructions don't work you can always try the 30-30-30 reset as follows:

When router is powered on, press the reset button and hold for 30 seconds. (Use a paper
clip
or something sharp)

While holding the reset button pressed, unplug the power of the router and hold the
reset
button for 30 seconds

While still holding the reset button down, turn on the power to the unit again and hold
for
another 30 seconds.

This process usually works for resetting any router to it's factory setting.
If that doesn't work be sure to check out the
questions and answers
incase someone else has had similar problems resetting their router.

Enter the username: admin
and the password adminNote: If you have already changed the password use that instead.

You will now be logged in. If you haven't yet changed the defaul password, we recommend that you change it first
thing you do after logging in.

If these instructions don't work for your router, you can always try a factory reset to get the default, or try
some other common ASUS credentials, as they can
usually be shared across models/variants.

User Manuals for RT-AC87U

Do you still have questions concerning the router that you can't find online? You can
always
try the manuals where most questions should be answered from the manufacturer. Below are
the device manuals available for your RT-AC87U.

RT-AC87U Firmwares

Staying up to date with the latest firmware is a good idea to keep your router even more
secure
from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider
flashing
an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly
increase
the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the ASUS RT-AC87U:

ASUS stock firmware for the RT-AC87U

Stock firmwares for the RT-AC87U are available under the download section on the
modem's
support page. You can also refer
to the router's manual for instructions on how to upgrade the firmware.